Across
- 3. shiny, malleable, ductile
- 6. don’t interact with other elements
- 9. a reaction that lets off cold
- 10. 2,8,8,2 pattern
- 11. a number that is multiplied out to one side of the equation
- 14. One, two, or three letters of the element
- 16. when a new solution is made, molecules can’t be created or destroyed
- 17. center of atom
- 18. created the periodic table
- 19. outermost electron
- 22. negative charge
- 25. mixture of molecules
- 26. no charge
Down
- 1. horizontal row on periodic table
- 2. studied the atom and electron
- 4. puts elements in order on the periodic table
- 5. number of protons/neutrons
- 7. a reaction that lets off heat
- 8. before a reaction
- 11. positive charge
- 12. made up of at least two elements
- 13. column on periodic table
- 15. has properties of metals and nonmetals
- 20. makes everything in the universe
- 21. dull, brittle
- 23. solution after a reaction
- 24. smallest part of an element